Sima Yi, regarded as a confidant by Cao Pi, was able to steal Cao Zhi's country because of what two things?

During the Three Kingdoms, Zhuge Liang was a sad strategist. He worked hard all his life. In order to repay Liu Bei's kindness in meeting him, he went to Qishan to attack Wei during his aid, but all failed. Although there are many reasons for the unsuccessful Northern Expedition, one of them is that Zhuge Liang met Sima Yi, a "bitter hand" in his life.

Sima Yi, born in Wenxian County, Hanoi. Since the Eastern Han Dynasty, the family background has been two thousand stones. Most aristocratic families in the Eastern Han Dynasty were Confucian, and Sima was also Confucian. Sima Yi was "rare in strange festivals and broad-minded in talents" and "in the chaos at the end of the Han Dynasty, he was always worried about the world".

Sima Shi is different from Cao Shi, who comes from a eunuch family. Since the Eastern Han Dynasty, eunuchs and aristocratic families, that is, the class of consorts, are two opposing political factions. From this origin, Sima Yi and Cao Zhi are two families with different historical factions. At first, Sima Yi didn't want to be an official in Cao Shi's family, but forced by the situation, he defected to Cao Cao on the recommendation of a friend.

Cao Cao was not interested in Sima Yi. Instead of paying attention to him, he doubted him everywhere.

Sima Yi is a resourceful person. He knows how to hide his strength and protect himself under Cao Cao. Cao Cao didn't like Sima Yi, but Cao Cao's son Cao Pi trusted him very much. After the establishment of Wei, Cao Pi was appointed as the Crown Prince, Sima Yi was the illegitimate child of the Crown Prince, and Chen Qun, Wu Zhi and Zhu Shuo were four friends. They made secret plans for the Crown Prince.

Wei Wendi became more and more confident in Cao Pi and Sima Yi.

In the first year of Huang Chu (220), he was appointed as Shangshu, transferred to overseer and served as an imperial advisor. In three years, he was transferred to the right servant of Shi Zhong and Shang Shu. In five years, Cao Pi unified the army to levy Wu, left Sima Yi in Xuchang, transferred to the government army as a general, and added a festival to record the history of the incident. In six years, Cao Pi recruited Wu and ordered Sima Yi to set up a guard, the people in the town and the military forces outside the city. In the seventh year, xelloss was critically ill, and called general Cao Zhen, general Chen Qun of Zhendong, general Cao Xiu of Fujun, and Cao Cao assisted by testamentary edict.

Cao Cao acceded to the throne for Wei Mingdi. Sima Yi, the minister of Fuzheng, did two great things during his stay in Wei Mingdi. One was to destroy Mengda, and the other was to destroy Gongsun Yuan in Liaodong.

Meng Da was originally a general of Shu, and was stationed by electricity. When Sun Quan attacked Jingzhou, Guan Yu turned to Mengda, Liu Feng, Mengda, Liu Feng, Shang Yong and Fang Ling (the county is now Fangxian County, Hubei Province) for help, but they did not waver. After Guan Yu failed, Meng Da fell out with Liu Feng and surrendered to Wei. Wei merged Fangling County, Xicheng County (the county seat is located in the northwest of Ankang, Shaanxi Province) into Xincheng County (the county governs Fangling County, now Fangxian County), which is the new city satrap. Wei Wendi died and Ming Di stood up. Although Meng Da was born in Fufeng (now Xingping, Shaanxi Province), he once worked for Liu Zhang. He went to Jingzhou with Fazheng to welcome Liu Bei to Shu, and had nothing to do with Wei. Wei Wendi thinks highly of him. When Wendi died, Meng Daxin felt uneasy.

Zhuge Liang knew this situation and suggested that he return to Shu Han. Meng Da has a secret letter with Zhuge Liang. When Meng Da and Wissing were at odds, they told Meng Da that they had contacts with Shu. Mengda listened to Shen Yi's tip-off and decided to send troops. At that time, Sima Yi served as the military commander of Jing and Yu 'er Zhou and was stationed in Wan (Nanyang County, Wei, now Nanyang City, Henan).

Sima Yi wrote to Meng Daxin to persuade him not to listen to rumors. Don't show the son of heaven, quickly enter the new city. Double the road and walk at the same time, and you will arrive at the new city in eight days. It took 16 days to break the city and kill Mengda.

In 238, the second year of the Ming emperor, Gongsun Yuan was destroyed.

Gongsun Yuan was born in Xiangping, Liaodong (now Liaoyang City, Liaoning Province). From my grandfather Gongsun Du to my father Kang, they are all from Liaodong. Gongsun Du divided Liaodong County into Zhongliao County in western Liaoning, which was the prefect, the counties crossing the sea to collect mountain vegetables (now Shandong Peninsula), the secretariat of Yingzhou, and the self-reliance of Liaodong Hou and Pingzhou Pastoral. Cao Cao took the degree as general Wuwei and sealed Yongning Township. In the twelfth year of Jian 'an, Cao Cao levied three counties: Bird Huan and Tuliucheng. Yuan Shang and others rushed to Liaodong. Gongsun Kang believed it and sent someone to see Cao Cao first. Feng Kangxiang will wait for him, and worship General Zuo. Kang is dead, and Yuan is still young, so both of them made Kang Di Gong a prefect of Liaodong. Send messengers to worship General Gong Wei. Respect, inferiority and weakness cannot govern the country. In the second year of Taihe, Yuan acceded to the throne and worshipped Yuan as a general and a satrap of Liaodong.

On the one hand, Sun Yuan accepted the title of Wei, on the other hand, he contacted Sun Quan. In the first year of Jingchu (237), Wei Mingdi sent Qiu Jian, the mother of the secretariat of Youzhou, to Luoyang with Xi Shu. Gongsun Yuan knew it was bad, so he sent his troops to attack. The mound is located in Liao Tunnel (now southeast of Tai 'an City, Liaoning Province, on the west bank of Liao River). Qiu Jian returned the book. Gongsun Yuan made himself a prince and appointed officials. Sima yi sent troops to Liaodong.

In the spring of the second year of Jingchu, he set out from Luoyang with Ma Yi and 40,000 troops. In June, when the army arrived in Liaodong, Gongsun Yuan sent generals to bow and scrape, and Zuo Yang rode tens of thousands of Tunliao tunnels to meet Sima Yi in Liuqili.

Many of Sima Yi's flags went south, Liaodong faced the south with an elite army, while Sima Yi sneaked into Liaohe from the north and took Xiangping directly. There was a decisive battle in the first mountainous area of western Hunan, which defeated the Liaodong army and surrounded Xiangpingcheng. After more than 30 days of rain, the Liao River surged, and the ship was sent directly from Liaokou to the gate. After the weather cleared up, the heaped-up mountains rose and sent stones and crossbows into the city. The food in the city ran out, people ate each other, and many people died. General Zuo Yang and others came out. Embarrassed, Gongsun Yuan fled south.

Sima Yi pursued the victory and killed Yuan and his son in Liangshuiling.

Sima Yi is still on his way back to the DPRK. Wei Mingdi, who is only 36 years old, is seriously ill. Ming Di ordered Sima Yi to ride into the DPRK. Sima Yi hurried to the imperial palace and was immediately introduced. Ming Di took him by the hand and asked him to help the Prince with General Cao Shuang. Sima Yi wept bitterly and kowtowed repeatedly, agreeing to Ming Di's instructions. After the death of Ming Di, Sima Yi became the minister of records and reached the peak of his power, which also laid the groundwork for his last coup with his son.